 .logo {
    height: 32px;
    margin: 16px;
    background: rgba(255, 255, 255, 0.3);
    
    
  }
  .ant-layout-header{
    display: flex;
    justify-content: flex-end;
    button{
      margin-right: 20px;
    }
    align-items: center;
    .header-span{
      margin-left: 20px;
      padding-right: 20px;
    }
  }
  
  .site-layout .site-layout-background {
    background: #fff;
    
  }